• Preheat oven to 375F (190C) and lightly grease the sides and bottom of an 8x8 glass or ceramic baking dish with butter. Set aside.
• In a large mixing bowl, combine peaches, sugar, lemon juice, vanilla, flour, cinnamon and salt and toss together until well combined.
  2 lbs peaches, ¼ cup granulated sugar, 1 Tablespoon all-purpose flour, 1 Tablespoon lemon juice, ½ teaspoon vanilla extract, ¼ teaspoon ground cinnamon, ¼ teaspoon table salt
• In a separate large mixing bowl, whisk together flour, oats, brown sugar, baking soda, table salt, and cinnamon.
  ¾ cups all-purpose flour, 1 cup old-fashioned rolled oats, ½ cup light brown sugar, ½ teaspoon baking soda, ½ teaspoon table salt, ¾ teaspoon ground cinnamon
• Use a pastry cutter to cut the butter into the oat mixture until it begins to clump together.
  8 Tablespoons unsalted butter

Assemble & Bake

• Give the peach mixture one more stir then pour it evenly into prepared baking dish. Scatter crumble topping evenly over the peach mixture.
• Transfer baking dish to center rack of preheated oven and bake for 28-33 minutes or until peach mixture is bubbling and topping is golden brown. Peaches should be tender if pierced with a paring knife or fork.
• Allow to cool at least 10-15 minutes before serving warm, preferably topped with vanilla ice cream!
  Vanilla ice cream for serving